Standings available exclusively at http://gbmhl.ca/Rounds/19669/2018-2019_Atom_Regular_Season/
Standings available exclusively at http://mpshl.ca/Rounds/19723/2018-2019_Atom_Group_A_Regular_Season/
Standings available exclusively at http://gbmhl.ca/Rounds/20639/2018-2019_Atom_B_Playdowns/
Standings available exclusively at http://gbmhl.ca/Rounds/20661/2018-2019_Atom_Pool_A_Playoffs/
Standings available exclusively at https://www.omha.net/page/show/4672973-atom-b